Dorman 520-134 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Durable Suspension Control Arm and Ball Joint Assembly

The Dorman 520-134 suspension control arm and ball joint assembly is engineered for reliable performance in Chevrolet, Oldsmobile, and Pontiac vehicles. Designed specifically for models like the Alero, Classic, Cutlass, Grand Am, and Malibu, this assembly ensures proper suspension function and vehicle stability.

• Pre-greased for immediate installation and smooth operation
• Includes rubber bushings and mounting hardware for a complete setup
• Steel construction with casting/forged control arm for strength and durability
• Bolt-in ball joint with threaded stud for secure mounting
• Compatible with light suspension grade applications

Product Features and Specifications

This suspension control arm and ball joint assembly (part number 520-134) features a black steel control arm with a maximum width of 288.5 mm and length of 237 mm. The assembly comes pre-greased and includes rubber bushings to reduce vibration and wear. The ball joint is installed and ready to bolt in, featuring a 12 mm threaded stud and a mounting hole diameter of 12.3 mm. Mounting hardware is included to facilitate installation. This assembly is designed for light suspension grade use and is not adjustable.

Compatible Vehicles and Applications

This Dorman control arm and ball joint assembly is compatible with select Chevrolet, Oldsmobile, and Pontiac models, including the Alero, Classic, Cutlass, Grand Am, and Malibu. It is intended for use in suspension systems requiring a regular grade, light suspension control arm replacement.

Common Suspension Issues Addressed

• Worn or damaged control arm bushings causing steering instability
• Loose or failing ball joints leading to uneven tire wear
• Excessive suspension noise or vibration
• Misalignment due to bent or compromised control arms
• Reduced handling performance and vehicle control

Installation Notes and Tips

The Dorman 520-134 assembly comes pre-greased and includes all necessary mounting hardware, simplifying installation. Ensure the vehicle is securely lifted and supported before removal of the old control arm. Verify the mounting hole alignment and torque specifications according to the vehicle manufacturer’s guidelines. Since this assembly is not adjustable, proper fitment is critical for suspension geometry.

Quality Assurance and Warranty

Dorman suspension components are manufactured to meet or exceed OEM standards. The 520-134 control arm and ball joint assembly undergoes rigorous quality checks to ensure durability and performance. This part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship under normal use.